chia7712 commented on code in PR #18891:
URL: https://github.com/apache/kafka/pull/18891#discussion_r1957734129
##########
clients/src/test/java/org/apache/kafka/test/TestUtils.java:
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@@ -580,21 +583,28 @@ public static Set<TopicPartition>
generateRandomTopicPartitions(int numTopic, in
}
/**
- * Assert that a future raises an expected exception cause type. Return
the exception cause
- * if the assertion succeeds; otherwise raise AssertionError.
+ * Assert that a future raises an expected exception cause type.
+ * This method will wait for the future to complete or timeout(15000
milliseconds) after a default period.
*
* @param future The future to await
* @param exceptionCauseClass Class of the expected exception cause
* @param <T> Exception cause type parameter
* @return The caught exception cause
*/
public static <T extends Throwable> T assertFutureThrows(Future<?> future,
Class<T> exceptionCauseClass) {
- ExecutionException exception = assertThrows(ExecutionException.class,
future::get);
- Throwable cause = exception.getCause();
- assertEquals(exceptionCauseClass, cause.getClass(),
- "Expected a " + exceptionCauseClass.getSimpleName() + " exception,
but got " +
- cause.getClass().getSimpleName());
- return exceptionCauseClass.cast(exception.getCause());
+ try {
+ future.get(DEFAULT_MAX_WAIT_MS, TimeUnit.MILLISECONDS);
+ fail("Should throw expected exception " +
exceptionCauseClass.getSimpleName() + " but nothing was thrown.");
+ } catch (InterruptedException | ExecutionException |
CancellationException e) {
+ Throwable cause = e instanceof ExecutionException ? e.getCause() :
e;
+ return assertInstanceOf(
+ exceptionCauseClass, cause,
+ "Expected " + exceptionCauseClass.getSimpleName() + ", but got
" + cause
+ );
+ } catch (TimeoutException e) {
+ fail("Future is not completed within " + DEFAULT_MAX_WAIT_MS + "
millisecond.");
+ }
+ throw new RuntimeException("Future should throw expected exception but
unexpected error happened.");
Review Comment:
Could you please include the "unexpected error"?
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